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The ISS Water Processor Catalytic Reactor as a Post Processor for Advanced Water Reclamation Systems
Technical Paper
2007-01-3038
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Advanced water processors being developed for NASA's Exploration Initiative rely on phase change technologies and/or biological processes as the primary means of water reclamation. As a result of the phase change, volatile compounds will also be transported into the distillate product stream. The catalytic reactor assembly used in the International Space Station (ISS) water processor assembly, referred to as Volatile Removal Assembly (VRA), has demonstrated high efficiency oxidation of many of these volatile contaminants, such as low molecular weight alcohols and acetic acid, and is considered a viable post treatment system for all advanced water processors. To support this investigation, two ersatz solutions were defined to be used for further evaluation of the VRA. The first solution was developed as part of an internal research and development project at Hamilton Sundstrand (HS), and is based primarily on ISS experience related to the development of the VRA. The second ersatz solution was defined by NASA in support of a study contract to Hamilton Sundstrand to evaluate the VRA as a potential post processor for the Cascade Distillation system being developed by Honeywell. This second ersatz solution contains several low molecular weight alcohols, organic acids, and several inorganic species. A range of residence times, oxygen concentrations and operating temperatures have been studied with both ersatz solutions to provide additional performance capability of the VRA catalyst.
Authors
Citation
Nalette, T., Snowdon, D., Pickering, K., and Callahan, M., "The ISS Water Processor Catalytic Reactor as a Post Processor for Advanced Water Reclamation Systems," SAE Technical Paper 2007-01-3038, 2007, https://doi.org/10.4271/2007-01-3038.Also In
References
- Carter, D.L. Tatara, J. Performance Assessment of ISS Water Processor Assembly Reactor International Conference on Environmental Systems, SAE Technical Paper 04ICES-17 July 2002
- Verosko, C. Carrier, C. Finger, B. Ersatz Wastewater Formulations for Testing Water Recovery Systems International Conference on Environmental Systems, SAE Technical Paper 2004-0102448 July 2004